/*
 * Tencent is pleased to support the open source community by making Angel available.
 *
 * Copyright (C) 2017 THL A29 Limited, a Tencent company. All rights reserved.
 *
 * Licensed under the BSD 3-Clause License (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 *
 * https://opensource.org/licenses/BSD-3-Clause
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License is
 * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.tencent.angel.psagent;

import com.tencent.angel.common.Id;

/**
 * PS Agent attempt id
 */
// TODO: 17/6/26 by zmyer
public class PSAgentAttemptId extends Id {
    public static String PSAGENTATTEMPT = "PSAgentAttempt";
    private PSAgentId psAgentId;

    public PSAgentAttemptId(PSAgentId psAgentId, int attemptIndex) {
        super(attemptIndex);
        this.psAgentId = psAgentId;
    }

    private StringBuilder appendTo(StringBuilder builder) {
        return psAgentId.appendTo(builder).append(SEPARATOR).append(index);
    }

    @Override
    public String toString() {
        return appendTo(new StringBuilder(PSAGENTATTEMPT)).toString();
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = super.hashCode();
        result = prime * result + ((psAgentId == null) ? 0 : psAgentId.hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (!super.equals(obj))
            return false;
        if (getClass() != obj.getClass())
            return false;
        PSAgentAttemptId other = (PSAgentAttemptId) obj;
        if (psAgentId == null) {
            if (other.psAgentId != null)
                return false;
        } else if (!psAgentId.equals(other.psAgentId))
            return false;
        return true;
    }

    public PSAgentId getPsAgentId() {
        return psAgentId;
    }
}
